The set allows users to fill and tie over 30 water balloons at once in seconds using self-sealing technology, eliminating the need for manual tying. It features a straightforward design suitable for both kids and adults. The included multiple stems in bright colors attach directly to standard water sources for quick setup. Ideal for summer activities, outdoor games, and water fights, the balloons are designed for children ages 3 and up, with an automatic fill-and-seal function for ease of use.